✓ Board-verified
Science · 2024 · 2 marks
CBSE 2024 · Region 4 · Set 2 · Q24
Mendel crossed pea plants with two pairs of contrasting characters. RRYY × rryy; Round, Yellow, Wrinkled, Green He observed 4 types of combinations…
Mendel crossed pea plants with two pairs of contrasting characters. \[\begin{array}{lll} \text { RRYY } & \times & \text { rryy } \\ \text { Round, Yellow } & & \text { Wrinkled, Green } \end{array} \] He observed $\displaystyle 4$ types of combinations in $\displaystyle \mathrm{F}_{2}$ generation. Which of the combinations were new ? Write the conclusion drawn by this experiment.
Marking-scheme solution
Wrinkled and yellow, Round and green
Traits are independently inherited.
More from Heredity
- Assertion: In human beings, males have 'XX' sex chromosomes and females have 'XY' sex chromosomes. Reason (R): Sex of the child is determined at the…2024
- In human beings, there are 23 pairs of chromosomes. Out of these 23 pairs of chromosomes (i.e. 46 chromosomes), 22 pairs of chromosomes are called…2025
- Explain how the proteins control the 'characteristics' in an organism with the help of an example of 'short height' trait in pea plant. Name the…2025
- Two pea plants, one with round green seeds (RRyy) and another with wrinkled yellow (rrYY) seeds were crossed with each other which produced F_1…2026
- In an experiment to study independent inheritance of two separate traits: shape and colour of seeds, the ratio of the different combinations in F_2…2024
- Mendel blended his knowledge of Science and mathematics to keep the count of the individuals exhibiting a particular trait in each generation. He…2022
- "In human beings the genes inherited from the parents decide whether the newborn individual is male or female." Explain this statement with the help…2025
- List two differences between dominant traits and recessive traits. What percentage of pea plants in the F_2 generation were with yellow seeds in…2024
CBSE Class 10 Science past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.